Welk getal ontbreekt t/m 40?

Aftrekken

Oefening 1
1.	38	-		=	5
2.	32	-		=	21
3.	32	-		=	28
4.	34	-		=	18
5.	31	-		=	9
6.	37	-		=	5
7.	37	-		=	7
8.	22	-		=	7
9.	36	-		=	7
10.	35	-		=	11

Oefening 2
1.	17	-		=	4
2.	26	-		=	25
3.	15	-		=	0
4.	36	-		=	11
5.	18	-		=	4
6.	32	-		=	15
7.	26	-		=	23
8.	22	-		=	11
9.	27	-		=	23
10.	35	-		=	3

Oefening 3
1.	22	-		=	10
2.	39	-		=	30
3.	18	-		=	5
4.	40	-		=	22
5.	40	-		=	21
6.	39	-		=	12
7.	10	-		=	8
8.	32	-		=	17
9.	39	-		=	0
10.	2	-		=	0

Oefening 4
1.	27	-		=	2
2.	33	-		=	25
3.	30	-		=	27
4.	40	-		=	0
5.	28	-		=	7
6.	24	-		=	19
7.	36	-		=	24
8.	29	-		=	7
9.	38	-		=	10
10.	40	-		=	19

Welk getal ontbreekt t/m 40?
| ANTWOORDEN

Aftrekken

Oefening 1
1.	38	-	33	=	5
2.	32	-	11	=	21
3.	32	-	4	=	28
4.	34	-	16	=	18
5.	31	-	22	=	9
6.	37	-	32	=	5
7.	37	-	30	=	7
8.	22	-	15	=	7
9.	36	-	29	=	7
10.	35	-	24	=	11

Oefening 2
1.	17	-	13	=	4
2.	26	-	1	=	25
3.	15	-	15	=	0
4.	36	-	25	=	11
5.	18	-	14	=	4
6.	32	-	17	=	15
7.	26	-	3	=	23
8.	22	-	11	=	11
9.	27	-	4	=	23
10.	35	-	32	=	3

Oefening 3
1.	22	-	12	=	10
2.	39	-	9	=	30
3.	18	-	13	=	5
4.	40	-	18	=	22
5.	40	-	19	=	21
6.	39	-	27	=	12
7.	10	-	2	=	8
8.	32	-	15	=	17
9.	39	-	39	=	0
10.	2	-	2	=	0

Oefening 4
1.	27	-	25	=	2
2.	33	-	8	=	25
3.	30	-	3	=	27
4.	40	-	40	=	0
5.	28	-	21	=	7
6.	24	-	5	=	19
7.	36	-	12	=	24
8.	29	-	22	=	7
9.	38	-	28	=	10
10.	40	-	21	=	19